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A nurse preparing to administer diciofenac sodium 200 mg PO daily equally divided doses every 6 hr. How many mg should the nurse administer per dose? (Round the answer to the nearest whole number. Use a leading, zero if it applies. Do not use a trailing, zero.)

Answer and Explanation

The Correct Answer is ["50"]

Determine the total daily dosage:

The client is prescribed 200 mg of diclofenac sodium daily.

Calculate the dosage per dose:

The medication is to be administered in equally divided doses every 6 hours.

There are 24 hours in a day, so the medication is given 24/6 = 4 times a day.

The dosage per dose is 200 mg / 4 doses = 50 mg per dose.

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Correct Answer is ["2"]

Explanation

1. Identify the desired dose:

The physician has ordered lidocaine 200 mg per dose.

2. Identify the concentration of the available medication:

The available lidocaine injection is 300 mg in 3 mL. This means the concentration is 300 mg / 3 mL.

3. Calculate the volume needed to deliver the desired dose using the formula:

Desired Dose (mg) / Available Concentration (mg/mL) = Volume to Administer (mL)

4. Calculate the available concentration in mg/mL:

Available Concentration = 300 mg / 3 mL = 100 mg/mL

5. Plug the values into the formula:

Volume to Administer = 200 mg / 100 mg/mL

6. Solve for the volume to administer:

Volume to Administer = 2 mL

7. Round the answer to the nearest whole number:

The calculated volume is already a whole number (2).

8. Apply leading zero if it applies:

A leading zero is not needed as the answer is a whole number greater than or equal to 1.

9. Ensure no trailing zero is used:

The answer is 2, with no trailing zero.

Answer: The nurse should administer 2 mL per dose.

Correct Answer is ["1.8"]

Explanation

Convert the client's weight from pounds to kilograms:

There are 2.205 pounds in 1 kilogram.

154 lb = 154 lb / 2.205 lb/kg = 70 kg (rounded to the nearest whole number).

Determine the total dosage:

The client is prescribed 1 mg/kg of gentamicin.

The client weighs 70 kg.

The total dosage is 1 mg/kg x 70 kg = 70 mg.

Determine the volume per dose:

The gentamicin solution contains 40 mg per 1 mL.

The nurse needs to administer 70 mg per dose.

To find the volume per dose:

40 mg / 1 mL = 70 mg / x mL

Cross-multiplying gives us:

40x = 70

Dividing both sides by 40, we get:

x = 1.75 mL

Round the answer to the nearest tenth:

Rounding 1.75 to the nearest tenth gives us 1.8 mL.

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A nurse preparing to administer diciofenac sodium 200 mg PO daily equally divided doses every 6 hr. How many mg should the nurse administer per dose? (Round the answer to the nearest whole number. Use a leading, zero if it applies. Do not use a trailing, zero.)

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Naxlex Comprehensive Predictor Exams

A nurse is preparing to administer lidocaine 200 mg IM stat and repeat in 60 min. Available is lidocaine injection 300 mg/3 mL. How many mL should the nurse administer per dose? (Round the answer to the nearest whole number. Use a leading, zero if it applies. Do not use a trailing zero.)

Correct Answer is ["2"]

Explanation

A nurse is preparing to administer gentamicin 1 mg/kg IM to a client who weighs 154 lb. Available is gentamicin solution 40 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer is ["1.8"]

Explanation

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